LightBend™ Quad 2x2 Bypass MM Optical Switch

  • Low Optical Distortions
  • High Reliability
  • Fail-Safe Latching
  • Epoxy-Free Optical Path

Click 'Spec Sheet' for all available configurations/part#


The LB Series Quad 2×2 Bypass multimode OptoMechanical Fiberoptic switch integrated 4 simultaneously activated 2×2 Bypass switches in a single compact format. The device connects optical channels by redirecting incoming optical signals into selected output fibers. This is achieved using a patented opto-mechanical configuration and activated via an electrical control signal. Latching operation preserves the selected optical path after the drive signal has been removed. The switch has integrated electrical position sensors. This novel design significantly reduces moving part position sensitivity, offering unprecedented high stability as well as an unmatched low cost. The switch is bidirectional.

We offer tight-bend-fiber version, which reduces the minimum bending radius from normal 15 mm to 7 mm. This feature enables smaller overall foot print.


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LB Quad 2x2 Bypass MM Fiber Optical Switch Min Typical Max Unit
Operating Wavelength                                          780, 850, 980, 1060, 1260~1360, 1510~1610 nm
Insertion Loss [1] 0.9 1.3 dB
 Extinction Dependent Loss [1]                        18 dB
TDL  0.15 0.4 dB
PDL 0.1 dB
Return Loss[1],[2]                        55 dB
Cross Talk[1]                        50 dB
Switching Time 3  10 ms
Repeatability ±0.05 dB
Durability                                            107 Cycle
Operating Voltage                         4.5 5 6 VDC
Operating Current (Latching/Non-Latching) 30 60 mA
 Voltage Pulse Width (Latching)  20 dB
Switching Type Latching or Non-Latching
Operating Temperature              -5                                                                                                             +70 oC
             -40                                                                                                           +85
Optical Power Handling 300  500* mW
Storage Temperature -40 85 oC
 Fiber Type Panda 400, Panda 250 mm
Notes:   [1]. Exclude connectors.   [2]. SW: Single window.   [3]. DW: Dual window. * Continuous operation, for pulse operation call.